The e.m.f. induced in a coil of wire, wh...

The e.m.f. induced in a coil of wire, which is rotating in a magnetic field, does not depend on

number of turns in coil

resistance of coil

rate of change of flux

All of these

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Induced emf in a coil is independent of the resistance of coil.

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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise PAPER 1 (PHYSICS & CHEMISTRY)|50 Videos
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Asseration:The induced e.m.f. and curent will be same in two identical loops of copper and aluminium, when rotated with same speed in the same magnetic field. Reason:Induced e.m.f. is proportional to rate of change of magnetic field while induced current depends on resistance of wire.

Statement-1 : The induced e.m.f. and current will be same in two identical loops of copper and aluminium, when rotated with same speed in the same magnetic field. Statement-2 : Induced e.m.f. is proportional to rate of change of magnetic field while induced current depends on resistance of wire.

Obtain an expression for e.m.f. induced in a coil rotating with uniform angular velocity in a uniform magnetic field. Show graphically the variation of e.m.f. with time (t). Rewsistance of a potentiometer witre is 0*1" "Omega//cm . A cell of e.m.f. 1*5 V is balanced at 300 cm on this potentiometer wire, Calculate teh current and balancing length for another cell of e.m.f. 1*4 V on the same potentiometer wire.

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 02-Paper 1 (Physics)

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